<p>A wellbore tubular port closure system includes a mechanism to delay the opening of the port after the port closure has been actuated to open. A method and apparatus incorporate the wellbore tubular port closure system with a port opening delay mechanism configured to act after actuation of the pressure responsive mechanism to delay full movement of the port-closure to the port-open position until after a selected time has lapsed.</p>
申请公布号
CA2810423(A1)
申请公布日期
2012.03.29
申请号
CA20112810423
申请日期
2011.09.12
申请人
PACKERS PLUS ENERGY SERVICES INC.
发明人
DESRANLEAU, CHRISTOPHER DENIS;THEMIG, DANIEL JON;RADTKE, CAMERON;ADDY, RYAN FREDRICK